New features:
* #49619: It avoids using the server that is... the site itself
Bugs fixed:
* #295146 by andypost: Wrong implementation of login
* #182040 by andypost and brmassa: Upgrade path from drupal.module to site_network.mo fixed
New features:
* Site registry removed. Not only because it has no relation to authentication but it was not used at all.
* The site might use distributed authentication only as a client or as server.
* Code compliance,
* Much faster.
Bugs fixed:
* Form API bugs fixed
NOTE:
Both password cryptography and data import problems are yet like the old module
